Submission #1148907

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1148907	2025-02-11 03:34:10	vukhacminh	Mobile (BOI12_mobile)	C++20	100 / 100	388 ms	16000 KiB

mobile

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#include<bits/stdc++.h>
using namespace std;
 
#define ll long long
#define ld long double
#define pb push_back
#define pii pair<int, int>
#define pll pair<ll, ll>
#define vvi vector<vector<int>>
#define vt vector
#define arr array
#define ALL(x) begin(x), end(x)
#define rALL(x) rbegin(x), rend(x)
#define SZ(x) x.size()
#define P(x, y) make_pair(x, y)
const int MOD1=998244353;
const int MOD2=1e9+7;
const ll LINF=1e18;
const int INF=1e9;
int N;
double L;
vt<pair<double, double>> points;
bool valid(double d){
    double covered = 0;
    for (auto [x, y] : points){
        // x ^ 2 + y ^ 2 = r ^ 2
        double dist = sqrt(d * d - y * y);
        if (x - dist <= covered) covered = max(covered, x + dist);
 
 
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